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kill-joy

[kil-joi]
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noun
  1. a person who spoils the joy or pleasure of others; spoilsport.
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Origin of kill-joy

First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

pessimistcomplainergrouchwhinerdampenerdoomsdayergrinch

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British Dictionary definitions for killjoy

killjoy

noun
  1. a person who spoils other people's pleasure
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for killjoy

n.

also kill-joy, 1776, from kill (v.) + joy. Formerly used with other stems (cf. kill-courtesy "boorish person," kill-cow "bully, big man," etc.).

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Online Etymology Dictionary, © 2010 Douglas Harper